<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/vue.js"></script>
</head>
<body>
    <div id="app">
        <p>原始字符串: {{msg}}</p>
        <p>反转字符串: {{msg.split('').reverse().join('')}}</p>
        <p>计算属性反转: {{revMsg}}</p>
    </div>
</body>
<script>
    var vm=new Vue({
    el:'#app',
    data:{
        msg:'Hello Vue.js!'
    },
    computed:{
        revMsg:function(){
            return this.msg.split('').reverse().join('')
        }
    }
    })
</script>
</html>